Which can be useful in explaining why a plasma-based light is not extremely hot?

~ A large majority of particles become ionized.
~ Light energy is converted into electron kinetic energy.
~ High-velocity electrons do not reach high temperatures.
~ Heavy nuclei take longer to reach thermal equilibrium.

Question

Which can be useful in explaining why a plasma-based light is not extremely hot?

~ A large majority of particles become ionized.
~ Light energy is converted into electron kinetic energy.
~ High-velocity electrons do not reach high temperatures.
~ Heavy nuclei take longer to reach thermal equilibrium.

anonymous · Answer

~ Heavy nuclei take longer to reach thermal equilibrium.